Q
Give reasons why following sentences
are right or wrong:
(1) The main aim of distributional
maps is to show location.
(2) In choropleth maps, only one
value is assigned to the
sub-administrative unit.
(3) In choropleth maps, colours/tints
do not change according to the
values of the variables.
(4) Choropleth maps are used to show
altitudes.
(5) Isopleth maps are used to show
population distribution.
(6) In dot method, every dot should
have an appropriate scale.
(7) Isopleth maps are not made using
isolines.
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Answers
Answer 1: The statement is wrong. Distributional Maps indicate the distribution of a particular feature in a given area. Through distributional maps we can show various variables related to distribution in districts/talukas to wheat production in different farms in a single village, distribution of temperature, rainfall, population, etc.
Answer 2: The statement is correct. In the Choropleth method, only one value is given to one sub administrative unit in a region. The smallest and the largest values of the given data of the variable are taken into consideration.
Answer 3: The statement is wrong. In choropleth maps, the data regarding various geographical variables is shown by shades or tints of various colours.
Answer 4: The statement is wrong. Answer 1: The statement is wrong. Distributional Maps indicate the distribution of a particular feature in a given area. Through distributional maps we can show various variables related to distribution in districts/talukas to wheat production in different farms in a single village, distribution of temperature, rainfall, population, etc.
Answer 5: The statement is wrong. In Isopleth maps, the distribution was shown with the help of lines showing equal values. When the distribution of a variable is continuous, the isopleth method is then used to show its distribution. For example, altitude, temperature, rainfall, etc.
Answer 6: The statement is right. A dot map is prepared using statistical data. While preparing dot maps, only data gathered through counting is used. The way a variable is distributed throughout the region, the dots are used to show its distribution on the map.
Answer 7: The statement is wrong. Isolines are lines, which join the places having the same data on a map like lines joining places having equal rainfall.
Answer 8: The statement is wrong. In the dot map, the distribution is usually shown with the help of dots whose value is predetermined. To decide the value of the dot, the appropriate scale is chosen. Additionally, aspects of the region such as water sources, physiography, transport system, etc are considered to place the dots on the maps.
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Answer:
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